'use strict'
const path = require('path')
const FileManagerPlugin = require('filemanager-webpack-plugin')
const BuildInfoPlugin = require('./build/build-info-plugin')
const defaultSettings = require('./src/settings.js')
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
function resolve(dir) {
  return path.join(__dirname, dir)
}
const name = process.env.VUE_APP_TYPE_NAME == 'xianghui'?(defaultSettings.title || '商户后台'):'公域平台' // page title

const cdn = process.env.NODE_ENV === 'production'
const publicCdnPath = cdn && process.env.VUE_APP_PUBLIC_CDN_PATH

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following method:
// port = 9527 npm run dev OR npm run dev --port = 9527
const port = process.env.port || process.env.npm_config_port || 9527 // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  // publicPath: cdn ? publicCdnPath : '/',
  publicPath: '/',
  outputDir: process.env.VUE_APP_TYPE_NAME === 'pub' ? 'dist/' + process.env.VUE_APP_TYPE_NAME + '/' : 'dist',
  assetsDir: 'assets',
  lintOnSave: process.env.VUE_APP_ENV === 'development',
  productionSourceMap: false,
  devServer: {
    proxy: {
      '/api': {
        target: 'https://marketing-api-test.xiangsaopay.com/', // 后台接口域名
        changeOrigin: true, // 是否跨域
        pathRewrite: {
          '^/api': ''
        }
      }
    },
    port: port,
    open: true
    // host: 'api.huiyuan.com',
    // overlay: {
    //   warnings: false,
    //   errors: true
    // }
  },
  css: {
    loaderOptions: {
      scss: {
        prependData: `@import "~@/styles/variables.scss";`
      }
    }
  },
  chainWebpack(config) {
    config.externals({
      'echarts': 'echarts' // 配置使用CDN
    })

    config.optimization.minimizer('terser').tap((args) => {
      args[0].terserOptions.compress.drop_console = true
      return args
    })

    // it can improve the speed of the first screen, it is recommended to turn on preload
    config.plugin('preload').tap(() => [
      {
        rel: 'preload',
        // to ignore runtime.js
        // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: 'initial'
      }
    ])

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete('prefetch')

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    config
      .when(process.env.NODE_ENV === 'production',
      // .when(process.env.NODE_ENV,
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
            // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial' // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true
                }
              }
            })
          // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
          config.optimization.runtimeChunk('single')
          config.plugin('BuildInfoPlugin').use(BuildInfoPlugin,
            [{
              assetsRoot: path.resolve(__dirname, './dist')
            }]
          )
          config.plugin('FileManagerPlugin').use(FileManagerPlugin,
            [{
              events: { onEnd: {
                delete: ['./mch_' + process.env.VUE_APP_ENV + '.zip'],
                archive: [
                  { source: './dist', destination: './mch_' + process.env.VUE_APP_ENV + '.zip' }
                ]
              } }
            }]
          )
        }
      )
  },
  configureWebpack: config => {
    config.name = name
    Object.assign(config.resolve.alias, {
      '@': resolve('src')
    })
    if (process.env.NODE_ENV === 'production' && process.env.ANALYZ_ENV) {
      config.plugins.push(new BundleAnalyzerPlugin())
    }
  }
}
